sc.nextLine()
лучше по сравнению с анализом ввода. Потому что производительность разумна, это будет хорошо.
Просто добавьте один день к дате до достижения текущей даты (код Swift 2):
var date = startDateNSDate // first date
let endDate = NSDate() // last date
// Formatter for printing the date, adjust it according to your needs:
let fmt = NSDateFormatter()
fmt.dateFormat = "dd/MM/yyyy"
// While date <= endDate ...
while date.compare(endDate) != .OrderedDescending {
print(fmt.stringFromDate(date))
// Advance by one day:
date = calendar.dateByAddingUnit(.Day, value: 1, toDate: date, options: [])!
}
Обновление для Swift 3:
var date = startDate // first date
let endDate = Date() // last date
// Formatter for printing the date, adjust it according to your needs:
let fmt = DateFormatter()
fmt.dateFormat = "dd/MM/yyyy"
while date <= endDate {
print(fmt.string(from: date))
date = calendar.date(byAdding: .day, value: 1, to: date)!
}
Использование расширения:
extension Date{
func generateDatesArrayBetweenTwoDates(startDate: Date , endDate:Date) ->[Date]
{
var datesArray: [Date] = [Date]()
var startDate = startDate
let calendar = Calendar.current
let fmt = DateFormatter()
fmt.dateFormat = "yyyy-MM-dd"
while startDate <= endDate {
datesArray.append(startDate)
startDate = calendar.date(byAdding: .day, value: 1, to: startDate)!
}
return datesArray
}
}
Использование:
let datesBetweenArray = Date().generateDatesArrayBetweenTwoDates(startDate: Your Start Date Object , endDate: Your End Date Object)
Ваш желаемый код будет выглядеть как
let startDate = NSDateComponents()
startDate.year = 2015
startDate.month = 9
startDate.day = 1
let calendar = NSCalendar.currentCalendar()
let startDateNSDate = calendar.dateFromComponents(startDate)!
var offsetComponents:NSDateComponents = NSDateComponents();
offsetComponents.day = 1
var nd:NSDate = startDateNSDate;
println(nd)
while nd.timeIntervalSince1970 < NSDate().timeIntervalSince1970 {
nd = calendar.dateByAddingComponents(offsetComponents, toDate: nd, options: nil)!;
println(nd)
}
Вот решение печати всех дат между двумя датами (код Swift 4)
var mydates : [String] = []
let startDate = "2018-03-01"
let endDate = "2018-03-05"
var dateFrom = Date() // First date
var dateTo = Date() // Last date
// Formatter for printing the date, adjust it according to your needs:
let fmt = DateFormatter()
fmt.dateFormat = "yyy-MM-dd"
dateFrom = fmt.date(from: startDate)!
dateTo = fmt.date(from: endDate)!
while dateFrom <= dateTo {
mydates.append(fmt.string(from: dateFrom))
dateFrom = Calendar.current.date(byAdding: .day, value: 1, to: dateFrom)!
}
print(mydates) // Your Result
Выход:
["2018-03-01", "2018-03-02", "2018-03-03", "2018-03-04", "2018-03-05"]
То же самое, но красивее:
extension Date {
func allDates(till endDate: Date) -> [Date] {
var date = self
var array: [Date] = []
while date <= endDate {
array.append(date)
date = Calendar.current.date(byAdding: .day, value: 1, to: date)!
}
return array
}
}
Как получить все даты на следующие 20 дней:
if let date = Calendar.current.date(byAdding: .day, value: 20, to: Date()) {
print(Date().allDates(till: date))
}
Я использую этот подход (Swift 3):
import Foundation
class Dates {
static func printDatesBetweenInterval(_ startDate: Date, _ endDate: Date) {
var startDate = startDate
let calendar = Calendar.current
let fmt = DateFormatter()
fmt.dateFormat = "yyyy-MM-dd"
while startDate <= endDate {
print(fmt.string(from: startDate))
startDate = calendar.date(byAdding: .day, value: 1, to: startDate)!
}
}
static func dateFromString(_ dateString: String) -> Date {
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "yyyy-MM-dd"
return dateFormatter.date(from: dateString)!
}
}
, и я называю это следующим:
Dates.printDatesBetweenInterval(Dates.dateFromString("2017-01-02"), Dates.dateFromString("2017-01-9"))
Выход:
2017-01-02
2017-01-03
2017-01-04
2017-01-05
2017-01-06
2017-01-07
2017-01-08
2017-01-09